package com.sunmouse.operation;

import java.util.HashMap;

import com.sunmouse.util.FileUtil;
import com.sunmouse.util.PrintUtil;

public class LogicExe {

	public static void main(String[] args) {
		int a = 3;
		int b = 0xf;

		PrintUtil.pln(a & b);
		PrintUtil.pln(a | b);

		HashMap<String, String> track = new HashMap<String, String>();
		track.put("tom", "joke");
		track.put("ant", "");

		PrintUtil.p(track.get("bob"));
		PrintUtil.p(track.get("ant"));

		String desDir = "D://QMDownload";
		FileUtil.clear(desDir);

	}
}
